1805860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{12899}}^1$

素因数の和:12915

約数の個数: 24

約数和(自身を含む): 4334400

約数和(自身を除く): 2528540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 12899, 25798, 51596, 64495, 90293, 128990, 180586, 257980, 361172, 451465, 902930, 1805860]

約数ペア:

[(1, 1805860), (2, 902930), (4, 451465), (5, 361172), (7, 257980), (10, 180586), (14, 128990), (20, 90293), (28, 64495), (35, 51596), (70, 25798), (140, 12899)]